Operating Systems General Concepts Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Operating Systems General Concepts Interview Questions

Questions Answers Views Company eMail

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 268064

How to communicate between difference process?

HP, IBM,

2 11617

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 4778

What is scheduling and How it effects the processor efficiency?

HP,

2 5641

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 16722

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9783

How to escape from external fragmentation?

HP,

2 5885

What is difference in managing processes in windows, unix, RTOS?

HP,

2759

What is the difference between mutex and semaphore?

HP, Microsoft,

14 61456

What are counting semaphores?

HP, IBM,

4 17222

which is best among semaphores and mutexes?

HP,

2 7663

which is best among pipes, queues, shared memory and why?

HP,

2 7093

What are named pipes?

HP,

3 7053

What is the signal?

HP,

1 5617

What is the highest priority software interrupt?

HP,

1 6076

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Un-Answered Questions { Operating Systems General Concepts }

Is sae same as af?

921

What is raid? What are the different raid levels?

989

What is the purpose of ram in a computer?

997

What are the two main types of files?

1050

How does gcd work?

945

Explain paging, faulting, and deadlock?

1077

What is a 64 bit application?

958

Explain the positioning time for a disk.

1037

Differentiate between pre-emptive and non-pre-emptive scheduling.

1159

What is memory-management unit (mmu)?

1037

What is crpc in law?

1019

What are the different types of process termination?

1046

Do I need 32gb of ram?

954

How does thread synchronization occur in a monitor?

999

What is virtual memory and where it exhist ?

1149

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